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Finding the Fourth Proportional to 258,002.10, 386,675.10 and 124,595.10

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Solution

The fourth proportional to 258,002.10, 386,675.10 and 124,595.10 is: 186,734.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,002.10 : 386,675.10 = 124,595.10 : x
  2. Step 2: Convert to fraction form
    258,002.10/386,675.10 = 124,595.10/x
  3. Step 3: Cross multiply
    258,002.10x = 386,675.10 × 124,595.10
  4. Step 4: Simplify right side
    258,002.10x = 48,177,822,752.01
  5. Step 5: Solve for x
    x = 48,177,822,752.01/258,002.10
  6. Step 6: Final answer
    x = 186,734.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.